The MacBook Air has 9 and 12 hours of battery life in the 11″ and 13″ respectively. They’re also getting a new price with the 11″ starting at $999 for the 128GB model and the 13″ with 128GB SSD starting at $1099. Both are available from the Apple Store today.

Macs have an install base of 72 million users and it was also announced that the MacBook is the no. 1 notebook in US.